Request for information regarding W123 AC parts

[rfdillon]

Folks, my AC just went out this week on my 1983 300D sedan. I take the car to a mechanic whose only source for parts is the dealer. If he gives me an parts estimate that is too high, I would like to be able to find a parts dealer with more realistic prices.

Who do you suggest for purchasing such things as Dryers, compressors, and expansion valves and other misc. AC parts?

By the way, I use Freeze12 in this system and it really cools great. Don't know what happened this week, but the AC man is out until next week, so I can't even have them look at it this week.

Thanks so much in advance for your help!